.item-box {
    margin-bottom: 50px;
    display: flex;
    flex-wrap: wrap;
    position: relative;
}

.item {
    display: inline-block;
    background: #F2F2F2;
    margin-bottom: 7px;
    height: 138px;
    width: calc( (100% - 45px) /4);
    cursor: pointer;
    padding: 17px 10px;
    display: flex;
}

.item-left,
.item-right {
    height: 100%;
}

.item-left {
    text-align: center;
    font-size: 12px;
    display: flex;
    width: 45%;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.item-left>img {
    max-width: 56px;
    max-height: 56px;
    -webkit-filter: grayscale(100%);
    -moz-filter: grayscale(100%);
    -ms-filter: grayscale(100%);
    -o-filter: grayscale(100%);
    filter: grayscale(100%);
    filter: gray;
}

.item-right {
    text-align: left;
    font-size: 12px;
    width: 55%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.item-title {
    font-size: 16px;
    font-weight: bold;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.canvasnum {
    margin-right: 8px;
    width: 21px;
    height: 15px;
}

.canvasnum-box {
    display: flex;
    align-items: center
}

.pagin {
    text-align: center
}

nz-alert {
    margin-top: 30px;
}

.sm {
    display: none;
}

@media screen and (max-width: 1360px) {
    .sm {
        display: inline
    }
    .lg {
        display: none;
    }
}

.i-box {
    height: 100px;
    width: 30px;
    flex-direction: column;
    align-items: center;
    display: flex;
    position: absolute;
    right: -70px;
    top: 0;
    padding-top: 12px;
}

.i-box>i {
    font-size: 26px;
    cursor: pointer;
}

.i-box>img {
    width: 26px;
    cursor: pointer
}

.edit-img {
    width: 20px;
    height: 20px;
}